ojsadmin, Trisuciati Syahwardini, Cindy Oktaviani, Vivi Novriyani, Said Zul Amraini, and Bahruddin. “Modification of Sago Starch-Based Bioplastic Using Citric Acid With Variation Plasticizers Glycerol and Sorbitol: Properties and Biodegradability Studies”. Journal of Bioprocess, Chemical and Environmental Engineering Science, Vol. 1, no. 1, Feb. 2020, pp. 39-46, doi:10.31258/jbchees.1.1.39-46.